Permitting Docks and Seawalls
In addition to Wetlands permitting, alterations within the annual high water line at Lake Monomonac or Lake Dennison require a DEP Waterways permit.
As Winchendon doesn't have a local process for Annual Dock/Mooring permitting, this is done directly through MassDEP - via their Chapter 91 process. Their webpage (https://www.mass.gov/waterways-program-chapter-91) has additional information and guidance for navigating the permitting process and they can be reached via email at DEP.Waterways@mass.gov
This document from MassDEP speaks to the permitting for Docks through both the wetlands and waterways programs.